1141992 has 64 divisors (see below), whose sum is σ = 3369600. Its totient is φ = 357120.

The previous prime is 1141969. The next prime is 1141999. The reversal of 1141992 is 2991411.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1141999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3517 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (52650).

2^1141992 is an apocalyptic number.

1141992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684800).

1141992 is an abundant number, since it is smaller than the sum of its proper divisors (2227608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141992 is a wasteful number, since it uses less digits than its factorization.

1141992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 333 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1141992 is about 1068.6402575236. The cubic root of 1141992 is about 104.5252032035.

It can be divided in two parts, 11419 and 92, that added together give a palindrome (11511).

The spelling of 1141992 in words is "one million, one hundred forty-one thousand, nine hundred ninety-two".